BIOS Setup not displaying correct CPU GHZ

[DecidingCrane]

I have recently build a PC. I have reused my ram and the 2 hard drives from my last build, along with my power supply. When i first fired up, i looked in the bios and realized it said current CPU frequency was 1.6Ghz. I have a i7-4790k, clocked at 4.0 GHz. I Also saw the CPU temp was flat lining at 99 degrees C. I felt the heat sink and it was nowhere close to being hot. I proceeded with the boot, and open CS-GO. My frames where significantly less than my other i3 possessor. Like an idiot I skipped driver installation. This is probably the problem but i don't understand why my mobo BIOS is not the current 4.0Ghz. When I open Valley Benchmark where was a lot of stuttering. I don't know if it is because the lack of drivers or my awful DDR3 RAM. It feels like my CPU is underclocked some how, or there is some severe bottle necking. I don't know if it is a hardware or software problem.
If someone could shed some light on this i would be much appreciated. Thanks!
Specs
-mobo MSI H81M-P33 Micro ATX LGA1150
-CPU Intel Core i7-4790K 4.0GHz
-RAM Some crappy OEM Ram 12GBs
-Power supply Thermaktake TR-2 600W
-GPU EVGA 970 ssc

 

[Guest]

Update your motherboard bios firmware.

 

[blazorthon]

Even DDR3-1066 isn't too bad of a bottleneck, though DDR3-1600 is certainly better.

CPUs don't need drivers installed, so if the CPU is acting weird, then that's probably a motherboard/BIOS issue. As Andy Chow said, the BIOS may need an update to properly work with your i7.

The CPU heat reading may be plain wrong with your heatsink not being warm or hot to the touch, but it may also mean that the heatsink is not properly attached, causing the CPU to overheat and underclock itself. Have you tried reattaching the heat sink?

 

[DecidingCrane]

Even DDR3-1066 isn't too bad of a bottleneck, though DDR3-1600 is certainly better.

CPUs don't need drivers installed, so if the CPU is acting weird, then that's probably a motherboard/BIOS issue. As Andy Chow said, the BIOS may need an update to properly work with your i7.

The CPU heat reading may be plain wrong with your heatsink not being warm or hot to the touch, but it may also mean that the heatsink is not properly attached, causing the CPU to overheat and underclock itself. Have you tried reattaching the heat sink?

I have just updated my BIOS with m-flash, I am new to all this. I have not reseated or checked the CPU and Fan. I also was thinking of the RAM, there is two different brands of ram in there. I don't think it matters because it worked fine in my last build. I am going to check on the seating, I will reply when I have finished.

 

[Guest]

Even DDR3-1066 isn't too bad of a bottleneck, though DDR3-1600 is certainly better.

CPUs don't need drivers installed, so if the CPU is acting weird, then that's probably a motherboard/BIOS issue. As Andy Chow said, the BIOS may need an update to properly work with your i7.

The CPU heat reading may be plain wrong with your heatsink not being warm or hot to the touch, but it may also mean that the heatsink is not properly attached, causing the CPU to overheat and underclock itself. Have you tried reattaching the heat sink?

I have just updated my BIOS with m-flash, I am new to all this. I have not reseated or checked the CPU and Fan. I also was thinking of the RAM, there is two different brands of ram in there. I don't think it matters because it worked fine in my last build. I am going to check on the seating, I will reply when I have finished.

The RAM should not affect the CPU speed. It could affect RAM frequency, but don't worry about that now. You are using thermal paste, yes?

Then, check using CPU-Z or similar the frequency in Windows, see if it's the same or correct. Then let us know what happens.

I'm guessing your BIOS was old and couldn't handle the microcode, so kept the CPU at the lowest power state.